Home / 5,162.29-7,122.74-3,037.91

Finding the Fourth Proportional to 5,162.29, 7,122.74 and 3,037.91

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Solution

The fourth proportional to 5,162.29, 7,122.74 and 3,037.91 is: 4,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.29 : 7,122.74 = 3,037.91 : x
  2. Step 2: Convert to fraction form
    5,162.29/7,122.74 = 3,037.91/x
  3. Step 3: Cross multiply
    5,162.29x = 7,122.74 × 3,037.91
  4. Step 4: Simplify right side
    5,162.29x = 21,638,245.69
  5. Step 5: Solve for x
    x = 21,638,245.69/5,162.29
  6. Step 6: Final answer
    x = 4,191.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.